A complete nerve transection will leave an area totally numb. The distribution of the numbers depends upon where the nerve was cut. A partial nerve injury may leave the area tingly or incompletely numb. Finally even if the nerve is not cut the swelling and bruising to the tea can affect the nerve as well. Usually we consider sharp penetrating injuries as likely having nerve lacerations when sensation is lost. A hand surgeon can examine the hand and pinpoint the site or extent of nerve injury and recommend surgical repair if needed.
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4

2nd opinion:
You would do best to ask your ENT to clarify the diagnosis. There may be more information from the testing that we do not have at this point. Would consider a second opinion if that is not satisfactory.
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7

Unclear:
A recent trial to examine this drug was suspended and trials of other drugs have not shown efficacy. Importantly, she should speak to her doctor for help managing her blood sugars to reduce the risk of further diabetic complications. There are alternatives to helping reduce the the severity of the tinnitus as well as associated side effects of the tinnitus. Please have her speak with her doctor.
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8

Hearing loss:
Sensorineural loss of hearing can be treated by hearing aids possibly cochlear implants. First you need a battery of hearing tests to determine where exactly is the problem-like in the cochlea or the auditory nerve and appropriately treat.
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10

Not usually:
There are 5 branches to the seventh cranial nerve. None of these will affect hearing. Congenital speech and hearing loss is usally caused by other factors. You can see a neurologist to help you answer this question.
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Neuropraxia is defined as a temporary loss of function of the nerve. Some nerves are purely sensory while others carry both sensory and motor fibers. Traumatic contusion injuries to nerves or nerve compressions can cause Neuropraxia. Sensory nerves like sural nerve in the leg or mixed sensory and motor nerves like the median and ulnar nerves in the forearm & hand are commonly affected nerves.
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The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and also commands for function.
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